Devices containing fissionable material in sufficient quantity and so arranged as to be capable of maintaining a controlled, self-sustaining NUCLEAR FISSION chain reaction. They are also known as atomic piles, atomic reactors, fission reactors, and nuclear piles, although such names are deprecated. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)

Descriptor ID	D009688
MeSH Number(s)	E07.710.600
Concept/Terms	Nuclear Reactors Nuclear Reactors Nuclear Reactor Reactor, Nuclear Reactors, Nuclear

Below are MeSH descriptors whose meaning is more general than "Nuclear Reactors".

Below are MeSH descriptors whose meaning is related to "Nuclear Reactors".

Below are MeSH descriptors whose meaning is more specific than "Nuclear Reactors".